fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FmF] [42.9% done] [   304/ 44200 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [57.1% done] [  1156/ 23320 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [     0/ 19000 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [69.6% done] [ 14390/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 27856/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [85.7% done] [ 33620/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.5% done] [ 31688/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.2% done] [ 39520/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36292/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37500/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30481/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30540/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=23582
  read : io=100MiB, bw=4,291KiB/s, runt= 24436msec
    slat (msec): min=  294, max=22890, avg=18682.02, stdev=2979.93
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=20909, per=83.22%, avg=10603.47, stdev=5900.78
  write: io=98MiB, bw=6,775KiB/s, runt= 15178msec
    slat (msec): min=    0, max=   14, avg= 2.02, stdev= 2.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109535, per=281.13%, avg=54767.50, stdev=77452.94
  cpu          : usr=5.27%, sys=1.78%, ctx=801
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23583
  read : io=100MiB, bw=4,326KiB/s, runt= 24236msec
    slat (msec): min=   69, max=20100, avg=15238.20, stdev=4865.89
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=18367, per=67.57%, avg=8610.15, stdev=5697.85
  write: io=90,268KiB, bw=6,049KiB/s, runt= 15279msec
    slat (msec): min=    0, max=  570, avg= 2.44, stdev=15.65
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=46174, per=79.10%, avg=15409.00, stdev=26643.28
  cpu          : usr=4.90%, sys=1.77%, ctx=862
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=23584
  read : io=100MiB, bw=4,247KiB/s, runt= 24687msec
    slat (msec): min=  170, max=23097, avg=19009.89, stdev=2975.08
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=16771, per=79.17%, avg=10087.24, stdev=5398.28
  write: io=99,992KiB, bw=6,734KiB/s, runt= 15203msec
    slat (msec): min=    0, max=   13, avg= 2.06, stdev= 2.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=107501, per=275.91%, avg=53750.50, stdev=76014.69
  cpu          : usr=5.02%, sys=1.57%, ctx=841
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,742KiB/s, minb=4,247KiB/s, maxb=4,326KiB/s, mint=24236msec, maxt=24687msec
  WRITE: io=284MiB, aggrb=19,481KiB/s, minb=6,049KiB/s, maxb=6,775KiB/s, mint=24236msec, maxt=24687msec

Disk stats (read/write):
  sda: ios=3071/2756, merge=1405/69728, ticks=66612/1943136, in_queue=2010784, util=98.89%
3.76user 1.28system 0:25.01elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2426minor)pagefaults 0swaps